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SOMATOSENSORY EVOKED POTENTIALS IN PATIENTS WITH PRIMARY PREMATURE EJACULATION

Authors
 ZHONG CHENG XIN  ;  YOUNG DEUK CHOI  ;  KOON HO RHA  ;  HYUNG KI CHOI 
Citation
 JOURNAL OF UROLOGY, Vol.158(2) : 451-455, 1997 
Journal Title
 JOURNAL OF UROLOGY 
ISSN
 0022-5347 
Issue Date
1997
MeSH
Adult ; Ejaculation/physiology* ; Evoked Potentials, Somatosensory* ; Humans ; Male ; Middle Aged ; Penis/innervation ; Penis/physiopathology* ; Sexual Dysfunction, Physiological/physiopathology* ; Time Factors
Abstract
PURPOSE: Premature ejaculation has been believed to be psychological in the majority of patients. With few exceptions organic conditions are rarely implicated. We investigated the possible role of sensory function in patients with primary premature ejaculation to determine whether there is an etiological basis for this condition. MATERIALS AND METHODS: We performed somatosensory evoked potentials from the penis in 34 patients with primary premature ejaculation and in 30 normally potent men. The latencies and amplitudes of the evoked potentials were measured at the penile shaft (dorsal nerve) and at the glans penis. RESULTS: Mean latency of dorsal nerve and glans penis somatosensory evoked potentials was 1.51 and 6.80 (significant) msec. shorter, respectively, in the patients than in the normal subjects. In the normal subjects the mean latency of glans penis somatosensory evoked potentials was 0.99 msec. longer than that of the dorsal nerve (not significantly different) but in patients the mean latency in the glans penis was 4.30 msec. shorter (p < 0.001). Mean amplitude of glans penis somatosensory evoked potentials was less than that of the dorsal nerve in both groups. However, mean amplitudes of dorsal nerve and glans penis somatosensory evoked potentials were significantly greater in patients than in normal men. CONCLUSIONS: Patients with premature ejaculation have hypersensitivity and hyperexcitability of the glans penis, which may give rise to uncontrolled ejaculation and are believed to be organic implications for premature ejaculation.
Full Text
https://www.sciencedirect.com/science/article/pii/S0022534701644999
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
Choi, Hyung Ki(최형기)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177352
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